Windows users who want to dablle in Linux should also visit Pendrivelinux.com, which makes it easy to put countless Linux distros on a USB drive. Pendrivelinux functions like a blog, with ongoing tutorials for the many distros that you can get going on a USB drive.
It also collects many useful posts for creating Boot CDs for Linux variants. In addition, it houses PenDriveApps, which is an awesome, categorized archive of portable applications for Windows, the Mac and Linux.WIth it, you can easily find everything from portable FTP applications, to portable media players, to portable translation applications.